Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
  • B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
  • B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
  • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
  • B65G47/94—Devices for flexing or tilting travelling structures; Throw-off carriages
  • B65G47/96—Devices for tilting links or platform

Definitions

• the invention relates to a conveyor system unit according to the preamble of patent claim 1.
• a conveyor system unit which has a juxtaposition of conveying elements for the promotion of cargo.
• the conveying elements are each designed as a transverse belt conveyor for feeding in or out of piece goods and each have their own functional unit in the form of a local drive for the respective transverse belt.
• a start-stop command for activating or deactivating a local drive is transmitted to a local control unit of the corresponding conveyor element by means of a radio signal.
• the invention has for its object to provide a generic conveyor system unit, in which a high accuracy in the control of the functional units of the conveying elements by means of a structurally simple and inexpensive transmission of the control signal can be achieved.
• the signal unit has at least two mobile, spaced apart receiving units and a mobile control unit, which stands for an assignment of the control signal in operative connection with the receiving units and with the functional units.
• Control process can be achieved without the use of an additional transmission ⁇ technology.
• a “mobile” unit is to be understood in particular as meaning a unit which is movable relative to a floor on which the conveyor unit is set up.
• the mobile conveyor elements are driven for the purpose of conveying piece goods for movement in a main conveying direction expediently a movement of the conveying elements and in this case can advantageously be fastened to the conveying elements,
• the receiving units of the signal unit are each attached to a different conveying element.
• this unit corresponds to a unit that is fixed relative to the ground.
• the "main conveying direction" of the conveyor unit refers in particular to the BEWE ⁇ supply direction of a base body of the conveying elements, wherein the function of their associated functional unit may be to move a cargo in a direction deviating from the main conveyance direction relative to the body.
• "Provided” to are the particular specially ⁇ leads, equipped, designed and / or programmed verstan-.
• the control signal for controlling the operation of a unit För ⁇ derelements advantageously contributes a piece of information which runs loading on a transported from the conveying element cargo.
• This information may correspond to properties of the piece goods, such as geometric data, an orientation or a position of the piece goods, and / or parameters of the action to be performed by the functional unit, such as a direction of movement, an acceleration value, etc.
• the control signal may correspond to an activation signal for activating or deactivating the functional unit.
• An "activation signal” should be understood in particular a trigger and / or start-stop signal for starting or stopping a control operation of the functional unit. If the control signal a activa ⁇ approximate signal for a functional unit, by the OF INVENTION ⁇ dung perform as intended In the case of the signal unit, a delay in the activation or deactivation of the functional unit can advantageously be reduced.
• the functional unit is provided for carrying out an operation in conjunction with a piece goods transported by the corresponding conveying element.
• the functional unit for determining information regarding a position and / or an orientation of the piece goods on the
• the functional unit can transmit this information to a central control unit by means of the mobile signal unit serve.
• the training ⁇ tion proper training the signal unit is particularly suitable for a conveyor unit, in which the functional unit of the conveying elements is a drive unit, which is provided for a supply and / or feeding a piece goods from or to the associated conveying element. In this case, an inaccuracy in the positioning of a piece goods on the conveyor element or in a discharge of a transported piece goods on a discharge path can be advantageously reduced.
• the conveyor unit has a Haupt netrich ⁇ tion in which the conveying elements move, and a stationary communication unit comprising at least two mutually spatially separated transmitting units, each having a transmission area, wherein the individual transmission areas overlap in pairs in a Studentslap ⁇ pungszone and wherein the distance between the mobile receiving units is greater than the extent of the
• a "transmission range" with respect to the control signal may in particular be determined by the ratio of the signal strength of the Control signal at a certain location to the signal strength of the control signal generated by the transmitting unit ⁇ defined, wherein defining the limit of the transmission range, a lower limit of this ratio is defined.
• the inventive design of the signal unit is also particularly suitable for a conveyor system unit, in which more the signal unit is assigned to a plurality of conveyor elements, which are arranged in series one behind the other in the manner of a train of conveyor elements.
• a "train" of elements should in particular be understood to mean a juxtaposition of elements, in which an intermediate distance between adjacent elements during a common movement of the elements
• a transmission channel is preferably designed as a frequency channel.
• a high accuracy with respect to the promotion or sortie ⁇ tion individual piece goods can be achieved when the conveyor deretti are each provided for the promotion of a single piece goods.
• Figure 1 is a schematic view of a conveyor system according to the invention with a train of transverse belt conveyors for discharging packages on sorting lines and with a mobile signal unit for communication with a stationary communication unit and
• Figure 2 is a side view of a conveying element of the conveyor system unit.
• FIG. 1 shows a conveyor unit 10 in a schemati ⁇ 's view from above. This corresponds to a section of a conveyor system which represents a component of a sorting device for sorting piece goods 12.
• the cargo 12 illustrated by solid Li ⁇ nien are formed as packages, in particular packages.
• Other versions of the sorting system for sorting pallets, containers or luggage are also conceivable.
• the conveyor unit 10 corresponds to a portion of the sorting system, in which the piece goods are conveyed along a main conveying direction 14 by means of conveying elements 16 12, and according to an them assigned Neten target from the material flow to further aid in an outward transfer direction 18 to corresponding Ausschleus ⁇ tracks 20 removed wherein the discharge direction 18 is oriented obliquely relative to the main conveying direction 14.
• the conveying elements 16 are arranged in the manner of a train rear purely ⁇ other in series and are driven to move in the main conveying direction 14 from a not further shown driving unit, the movement relative to the soil 22 takes place on which the conveyor unit 10 is placed on ⁇ .
• the train has about 60 conveyor elements.
• the piece goods 12 are each funded by a different conveyor element 16, wherein a conveyor element 16 is provided in each case for transporting a single piece goods 12.
• the conveying elements 16 are further each equipped with a func ⁇ onsaku 24, which is provided to fulfill a function in connection with the transported by the corresponding conveyor element 16 piece goods 12.
• the functional units 24, which are equipped with conveying elements 16 and represented by dashed lines, are each designed as drive units which serve to discharge the piece goods 12 transported on the conveying element 16 from the conveying element 16, to a discharge path 20 assigned to a specific destination to move.
• the conveying elements 16 each have a base body 26 which is movable relative to the base 22 in the main conveying direction 14 and a conveying means 28 which is movable relative to the base body 26 and can be driven by the corresponding functional unit 24, by means of which a movement of the transported piece goods 12 for its removal from the conveying element 16 can be generated on a particular reject track 20.
• the conveying means 28 generates a movement of the piece goods 12 in a discharge direction 29, which is oriented transversely relative to the main conveying direction.
• the conveying means 28 of a conveying element 16 is designed as a belt which can be driven by the functional unit 24.
• FIG. 1 A Execution of a conveying element 16 is shown in FIG.
• Other versions of a conveyor 28 of a winningele ⁇ ments 16, for example as a tilting element which can be tilted by means of the functional unit 24, or as a shoe-like element are also conceivable.
• the functional units 24, ie the drive units for driving the corresponding conveying means 28 in the example under consideration, are controlled by means of a central control unit 30, which is in operative connection with the functional units 24.
• the control unit 30 is a mobile unit that moves with the train of conveyor elements 16 relative to the floor 22 and is attached to one of the conveyor elements 16 for this purpose.
• all functional units 24 of the train can be controlled by conveying elements 16.
• a variant embodiment in which the train of counselele ⁇ elements 16 has a plurality of control units, is conceivable.
• a control procedure, in particular, activation of the functional unit 24 of a given conveyor element 16 is initiated when the transporting ⁇ te from the conveying element 16 general cargo 12 is in a suitable position, to be discharged from the conveying element 16 to the assigned its target Ausschleusbahn 20th
• a control signal 34 is generated by a central, stationary control unit 32, which is transmitted to the mobile control unit 30 to complete the control process.
• the communication between the central stationary control unit 32 and the mobile control unit 30 by means of a stationary communication unit 36, which is provided for drahtlo ⁇ sen transmission of signals.
• the stationary communication unit 36 has a set of stationary transmission units 38.1, 38.2 which are spatially separate from each other and which respectively transmit signals in a transmission range 40.1 or 40.2.
• the transmitting units 38 each comprise a signal generating unit 42, which is based on a Signal of the central control unit 32, the control signal 34 prepared, and an antenna 44, for example in the form of a coaxial cable, which serves to generate a radio signal.
• the control signal is an electromagnetic wave having a frequency in the gigahertz range.
• the Kommunikati ⁇ on between the central stationary control unit 32 and the mobile control unit 30 takes place also by means of a mo ⁇ bilen signal unit 46, which is provided for establishing a wireless communication with the fixed communication unit 36th
• the signal unit 46 moves with the train of conveying elements 16 and forms with the stationary communication unit 36 a so-called WLAN network (or Wireless Local Area Network).
• the signal unit 46 For receiving the control signal 34, the signal unit 46 has two mobile receiving units 48.1, 48.2, which are arranged at a distance from each other separated from each other. To transmit the received control signal 34 to the mobile control unit 30, the receiving units 48.1, 48.2 are in operative connection with the control unit 30. Because the control unit 30 is in operative connection with the receiving units 48 on the one hand and with the functional units 24 on the other hand, an assignment of the control signal 34 to a respective functional unit 24 can take place by means of the control unit 30.
• the signal unit 46 includes two Sendein ⁇ units, which are used for transmitting a signal of the mobile control unit 30 to the stationary communications unit 36 and are integrally formed in the considered embodiment, with one of the receiving units 48th
• Sendein ⁇ units which are used for transmitting a signal of the mobile control unit 30 to the stationary communications unit 36 and are integrally formed in the considered embodiment, with one of the receiving units 48th
• separate transmission units and receiving units of the signal unit 46 are conceivable.
• the mobile, connected to the receiving units 48 control unit 30 is compared to the as "servers" loading recorded stationary control unit 32 as a "client” of the mo ⁇ bilen signal unit 46 indicates to which the Steuersig ⁇ dimensional 34 of the stationary control unit 32 addressed are. For this, a clear assignment of the mobile signal input unit 46 and in particular a hardware address (or MAC address) of the client to a stationary transmitting unit 38 of the communication unit 36 are present.
• the overlap zone 50 is referred to in the art as "roaming area".
• the scanning process has a duration of typically 12 ms for a transmission channel.
• the distance D between the mobile receiving units 48.1, 48.2 is selected such that it is greater than the extent L of the overlapping zone 50 in the main conveying direction 14 along a distance S traveled by the receiving unit 48.1 in the main conveying direction 14.
• the distance D should be greater than 2 m, which corresponds to a typical extent of the overlapping zone 50 in the main conveying direction 14 in the region of the conveying elements 16.
• the control unit 30 is provided to detect such a double reception and to discard the later received control signal 34.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Control Of Conveyors (AREA)
• Warehouses Or Storage Devices (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

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ID=44356134

Family Applications (1)

Country Status (5)

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Citations (2)

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• 2010
  • 2010-05-20 DE DE102010022156A patent/DE102010022156A1/de not_active Ceased
• 2011
  • 2011-05-19 DK DK11723900.4T patent/DK2571792T4/da active
  • 2011-05-19 WO PCT/EP2011/058187 patent/WO2011144707A1/de active Application Filing
  • 2011-05-19 CN CN201180025049.7A patent/CN102905994B/zh active Active
  • 2011-05-19 EP EP11723900.4A patent/EP2571792B2/de active Active

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